kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] SMP KASAN Dumping ftrace buffer: (ftrace buffer empty) Modules linked in: CPU: 0 PID: 16407 Comm: syz-executor7 Not tainted 4.14.0-rc1+ #58 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff8801c2484280 task.stack: ffff8801c0808000 RIP: 0010:__list_add_valid+0x46/0xd0 lib/list_debug.c:26 RSP: 0018:ffff8801c080f490 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: ffff8801d07d8928 RCX: ffffc9000204e000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d07d8930 RBP: ffff8801c080f4a8 R08: 0000000000000000 R09: 1ffff10038101df4 R10: 0000000097d1f177 R11: 00000000f8a1f203 R12: ffff8801d8a944c0 R13: ffff8801c515ca00 R14: ffff8801d07d8928 R15: 0000000000000000 àj+¨ñ¢ÛñÀ¨CµP5º: received packet on syz2 with own address as source address (addr:aa:aa:aa:aa:aa:02, vlan:0) FS: 00007f6aa5682700(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000 àj+¨ñ¢ÛñÀ¨CµP5º: received packet on syz2 with own address as source address (addr:aa:aa:aa:aa:aa:02, vlan:0) CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020eb1000 CR3: 00000001cf59f000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __list_add include/linux/list.h:59 [inline] list_add_tail include/linux/list.h:92 [inline] sock_map_ctx_update_elem.isra.12+0x9e9/0x1a00 kernel/bpf/sockmap.c:768 sock_map_update_elem+0x145/0x2d0 kernel/bpf/sockmap.c:843 map_update_elem kernel/bpf/syscall.c:590 [inline] SYSC_bpf kernel/bpf/syscall.c:1478 [inline] SyS_bpf+0x2012/0x46a0 kernel/bpf/syscall.c:1453 entry_SYSCALL_64_fastpath+0x1f/0xbe RIP: 0033:0x4520a9 RSP: 002b:00007f6aa5681c08 EFLAGS: 00000216 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 0000000000718000 RCX: 00000000004520a9 RDX: 0000000000000020 RSI: 00000000202cc000 RDI: 0000000000000002 RBP: 0000000000000082 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000216 R12: 00000000004b73ea R13: 00000000ffffffff R14: 0000000000000005 R15: 0000000020107fd0 Code: 48 89 fa 48 83 ec 08 48 c1 ea 03 80 3c 02 00 75 7c 48 8b 53 08 48 39 f2 75 37 48 89 f2 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 75 6e 48 8b 16 48 39 da 75 29 49 39 f4 74 38 49 39 RIP: __list_add_valid+0x46/0xd0 lib/list_debug.c:26 RSP: ffff8801c080f490 ---[ end trace 724f1f5434dbf8cb ]--- Kernel panic - not syncing: Fatal exception in interrupt Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..